l-carnitine and serotonin Can Acetyl-L-Carnitine Help Clear Brain Fog Fatigue in Long COVID and ME/CFS? Serotonin, Kynurenine, and Indole Pathways

doi: 10.1186/s12970-020-0334-3

[Google Scholar] 241.Cheng H.H., Ma C.-Y., Chou T.-W., Chen Y.-Y., Lai M.-H

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Contraindications Do Not Use If You Have a known hypersensitivity to any component of the formulation Have a history of kidney stones (high-dose vitamin C can increase oxalate and kidney stone risk) Have hereditary hemochromatosis or iron overload (vitamin C enhances iron absorption) Have glucose-6-phosphate dehydrogenase (G6PD) deficiency (high-dose IV vitamin C can cause hemolysis) Have severe kidney disease Are pregnant or breastfeeding (without specific medical supervision) Warnings and Precautions G6PD deficiency: High-dose vitamin C can cause red blood cell hemolysis in patients with G6PD deficiency